A Patient with a History of Esophageal Reflux Reports Difficulty

question 3

Multiple Choice

A patient with a history of esophageal reflux reports difficulty swallowing. The provider notes fixed cervical and axillary lymphadenopathy on exam. What is the significance of these findings if esophageal carcinoma is suspected?

• A) A tumor is likely confined to the upper esophagus.
• B) Lymphadenopathy indicates advanced disease.
• C) The prognosis for cure is poor.
• D) This type of cancer responds well to radiation.

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Definitions:

Sexual Isolation

It refers to a type of prezygotic barrier where different species are isolated from each other by differences in mating rituals, timing, or other behaviors, preventing mating.

Egg Proteins

Proteins found in eggs, serving as a source of nutrition and playing roles in the development of the embryo.

Species Specific

Characteristics or behaviors that are unique to a particular species.

Hybrid Inviability

A postzygotic barrier where offspring resulting from the mating of two different species die prematurely due to genetic incompatibilities.